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comparison gcc/config/rs6000/rtems.h @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents a06113de4d67
children 84e7813d76e9
comparison
equal deleted inserted replaced
68:561a7518be6b 111:04ced10e8804
1 /* Definitions for rtems targeting a PowerPC using elf. 1 /* Definitions for rtems targeting a PowerPC using elf.
2 Copyright (C) 1996, 1997, 2000, 2001, 2002, 2003, 2004, 2005, 2007 2 Copyright (C) 1996-2017 Free Software Foundation, Inc.
3 Free Software Foundation, Inc.
4 Contributed by Joel Sherrill (joel@OARcorp.com). 3 Contributed by Joel Sherrill (joel@OARcorp.com).
5 4
6 This file is part of GCC. 5 This file is part of GCC.
7 6
8 GCC is free software; you can redistribute it and/or modify it 7 GCC is free software; you can redistribute it and/or modify it
13 GCC is distributed in the hope that it will be useful, but WITHOUT 12 GCC is distributed in the hope that it will be useful, but WITHOUT
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
16 License for more details. 15 License for more details.
17 16
18 You should have received a copy of the GNU General Public License 17 Under Section 7 of GPL version 3, you are granted additional
19 along with GCC; see the file COPYING3. If not see 18 permissions described in the GCC Runtime Library Exception, version
19 3.1, as published by the Free Software Foundation.
20
21 You should have received a copy of the GNU General Public License and
22 a copy of the GCC Runtime Library Exception along with this program;
23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
20 <http://www.gnu.org/licenses/>. */ 24 <http://www.gnu.org/licenses/>. */
21 25
22 /* Specify predefined symbols in preprocessor. */ 26 /* Copy and paste from linux64.h and freebsd64.h */
27 #ifdef IN_LIBGCC2
28 #undef TARGET_64BIT
29 #ifdef __powerpc64__
30 #define TARGET_64BIT 1
31 #else
32 #define TARGET_64BIT 0
33 #endif
34 #endif
35
36 /* Copy and paste from linux64.h and freebsd64.h */
37 #undef TARGET_AIX
38 #define TARGET_AIX TARGET_64BIT
39
40 /* Simplified copy and paste from linux64.h and freebsd64.h */
41 #undef DOT_SYMBOLS
42 #define DOT_SYMBOLS 0
43
44 /* Copy and paste from linux64.h and freebsd64.h */
45 #undef TARGET_CMODEL
46 #define TARGET_CMODEL rs6000_current_cmodel
47 #define SET_CMODEL(opt) rs6000_current_cmodel = opt
23 48
24 #undef TARGET_OS_CPP_BUILTINS 49 #undef TARGET_OS_CPP_BUILTINS
25 #define TARGET_OS_CPP_BUILTINS() \ 50 #define TARGET_OS_CPP_BUILTINS() \
26 do \ 51 do \
27 { \ 52 { \
28 builtin_define_std ("PPC"); \ 53 builtin_define ("__rtems__"); \
29 builtin_define ("__rtems__"); \ 54 builtin_define ("__USE_INIT_FINI__"); \
30 builtin_define ("__USE_INIT_FINI__"); \ 55 builtin_assert ("system=rtems"); \
31 builtin_assert ("system=rtems"); \ 56 if (TARGET_64BIT) \
32 builtin_assert ("cpu=powerpc"); \ 57 { \
33 builtin_assert ("machine=powerpc"); \ 58 builtin_define ("__PPC__"); \
34 TARGET_OS_SYSV_CPP_BUILTINS (); \ 59 builtin_define ("__PPC64__"); \
35 } \ 60 builtin_define ("__powerpc64__"); \
61 builtin_assert ("cpu=powerpc64"); \
62 builtin_assert ("machine=powerpc64"); \
63 } \
64 else \
65 { \
66 builtin_define_std ("PPC"); \
67 builtin_define_std ("powerpc"); \
68 builtin_assert ("cpu=powerpc"); \
69 builtin_assert ("machine=powerpc"); \
70 TARGET_OS_SYSV_CPP_BUILTINS (); \
71 } \
72 } \
36 while (0) 73 while (0)
37 74
75 /* Copy and paste from linux64.h and freebsd64.h */
76 #undef RELOCATABLE_NEEDS_FIXUP
77 #define RELOCATABLE_NEEDS_FIXUP \
78 (rs6000_isa_flags & rs6000_isa_flags_explicit & OPTION_MASK_RELOCATABLE)
79
80 /* Copy and paste from linux64.h */
81 #undef RS6000_ABI_NAME
82 #define RS6000_ABI_NAME "linux"
83
84 /* Copy and paste from linux64.h and freebsd64.h */
85 #define INVALID_64BIT "-m%s not supported in this configuration"
86
87 /* A lot of copy and paste from linux64.h and freebsd64.h */
88 #undef SUBSUBTARGET_OVERRIDE_OPTIONS
89 #define SUBSUBTARGET_OVERRIDE_OPTIONS \
90 do \
91 { \
92 if (rs6000_isa_flags & OPTION_MASK_64BIT) \
93 { \
94 rs6000_elf_abi = 2; \
95 rs6000_current_abi = ABI_ELFv2; \
96 if (rs6000_isa_flags & OPTION_MASK_RELOCATABLE) \
97 { \
98 rs6000_isa_flags &= ~OPTION_MASK_RELOCATABLE; \
99 error (INVALID_64BIT, "relocatable"); \
100 } \
101 if (rs6000_isa_flags & OPTION_MASK_EABI) \
102 { \
103 rs6000_isa_flags &= ~OPTION_MASK_EABI; \
104 error (INVALID_64BIT, "eabi"); \
105 } \
106 if (TARGET_PROTOTYPE) \
107 { \
108 target_prototype = 0; \
109 error (INVALID_64BIT, "prototype"); \
110 } \
111 if ((rs6000_isa_flags & OPTION_MASK_POWERPC64) == 0) \
112 { \
113 rs6000_isa_flags |= OPTION_MASK_POWERPC64; \
114 error ("-m64 requires a PowerPC64 cpu"); \
115 } \
116 if ((rs6000_isa_flags_explicit \
117 & OPTION_MASK_MINIMAL_TOC) != 0) \
118 { \
119 if (global_options_set.x_rs6000_current_cmodel \
120 && rs6000_current_cmodel != CMODEL_SMALL) \
121 error ("-mcmodel incompatible with other toc options"); \
122 SET_CMODEL (CMODEL_SMALL); \
123 } \
124 else \
125 { \
126 if (!global_options_set.x_rs6000_current_cmodel) \
127 SET_CMODEL (CMODEL_MEDIUM); \
128 if (rs6000_current_cmodel != CMODEL_SMALL) \
129 { \
130 TARGET_NO_FP_IN_TOC = 0; \
131 TARGET_NO_SUM_IN_TOC = 0; \
132 } \
133 } \
134 } \
135 } \
136 while (0)
137
138 #undef TARGET_LIBGCC_SDATA_SECTION
139 #define TARGET_LIBGCC_SDATA_SECTION ".sdata"
140
141 /* Copy and paste from linux64.h and freebsd64.h */
142 #undef SIZE_TYPE
143 #define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "unsigned int")
144
145 /* Copy and paste from linux64.h and freebsd64.h */
146 #undef PTRDIFF_TYPE
147 #define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int")
148
149 /* Copy and paste from freebsd64.h */
150 #undef WCHAR_TYPE
151
152 /* Copy and paste from freebsd64.h */
153 #undef WCHAR_TYPE_SIZE
154 #define WCHAR_TYPE_SIZE 32
155
156 /* Copy and paste from linux64.h and freebsd64.h */
157 #ifdef __powerpc64__
158 #define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC) \
159 asm (SECTION_OP "\n" \
160 " bl " #FUNC "\n" \
161 " nop\n" \
162 " .previous");
163 #endif
164
165 /* This could be also POWERPC_FREEBSD. It is related to the save/restore
166 defines below. */
167 #define POWERPC_LINUX
168
169 /* Copy and paste from linux64.h and freebsd64.h */
170 #undef SAVE_FP_PREFIX
171 #define SAVE_FP_PREFIX (TARGET_64BIT ? "._savef" : "_savefpr_")
172 #undef SAVE_FP_SUFFIX
173 #define SAVE_FP_SUFFIX ""
174 #undef RESTORE_FP_PREFIX
175 #define RESTORE_FP_PREFIX (TARGET_64BIT ? "._restf" : "_restfpr_")
176 #undef RESTORE_FP_SUFFIX
177 #define RESTORE_FP_SUFFIX ""
178
179 /* Copy and paste from linux64.h and freebsd64.h */
180 #undef ASM_PREFERRED_EH_DATA_FORMAT
181 #define ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) \
182 (TARGET_64BIT || flag_pic \
183 ? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel \
184 | (TARGET_64BIT ? DW_EH_PE_udata8 : DW_EH_PE_sdata4)) \
185 : DW_EH_PE_absptr)
186
187 /* Copy and paste from linux64.h and freebsd64.h */
188 #undef TOC_SECTION_ASM_OP
189 #define TOC_SECTION_ASM_OP \
190 (TARGET_64BIT \
191 ? "\t.section\t\".toc\",\"aw\"" \
192 : "\t.section\t\".got\",\"aw\"")
193
194 /* Copy and paste from linux64.h and freebsd64.h */
195 #undef MINIMAL_TOC_SECTION_ASM_OP
196 #define MINIMAL_TOC_SECTION_ASM_OP \
197 (TARGET_64BIT \
198 ? "\t.section\t\".toc1\",\"aw\"" \
199 : (flag_pic \
200 ? "\t.section\t\".got2\",\"aw\"" \
201 : "\t.section\t\".got1\",\"aw\""))
202
203 /* Copy and paste from linux64.h and freebsd64.h */
204 #undef ASM_DECLARE_FUNCTION_SIZE
205 #define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \
206 do \
207 { \
208 if (!flag_inhibit_size_directive) \
209 { \
210 fputs ("\t.size\t", (FILE)); \
211 if (TARGET_64BIT && DOT_SYMBOLS) \
212 putc ('.', (FILE)); \
213 assemble_name ((FILE), (FNAME)); \
214 fputs (",.-", (FILE)); \
215 rs6000_output_function_entry (FILE, FNAME); \
216 putc ('\n', (FILE)); \
217 } \
218 } \
219 while (0)
220
221 /* Copy and paste from linux64.h and freebsd64.h */
222 #undef ASM_OUTPUT_SPECIAL_POOL_ENTRY_P
223 #define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE) \
224 (TARGET_TOC \
225 && (GET_CODE (X) == SYMBOL_REF \
226 || (GET_CODE (X) == CONST && GET_CODE (XEXP (X, 0)) == PLUS \
227 && GET_CODE (XEXP (XEXP (X, 0), 0)) == SYMBOL_REF) \
228 || GET_CODE (X) == LABEL_REF \
229 || (GET_CODE (X) == CONST_INT \
230 && GET_MODE_BITSIZE (MODE) <= GET_MODE_BITSIZE (Pmode)) \
231 || (GET_CODE (X) == CONST_DOUBLE \
232 && ((TARGET_64BIT \
233 && (TARGET_MINIMAL_TOC \
234 || (SCALAR_FLOAT_MODE_P (GET_MODE (X)) \
235 && ! TARGET_NO_FP_IN_TOC))) \
236 || (!TARGET_64BIT \
237 && !TARGET_NO_FP_IN_TOC \
238 && SCALAR_FLOAT_MODE_P (GET_MODE (X)) \
239 && BITS_PER_WORD == HOST_BITS_PER_INT)))))
240
38 #undef CPP_OS_DEFAULT_SPEC 241 #undef CPP_OS_DEFAULT_SPEC
39 #define CPP_OS_DEFAULT_SPEC "%(cpp_os_rtems)" 242 #define CPP_OS_DEFAULT_SPEC "\
40
41 #define CPP_OS_RTEMS_SPEC "\
42 %{!mcpu*: %{!Dppc*: %{!Dmpc*: -Dmpc750} } }\ 243 %{!mcpu*: %{!Dppc*: %{!Dmpc*: -Dmpc750} } }\
43 %{mcpu=403: %{!Dppc*: %{!Dmpc*: -Dppc403} } } \ 244 %{mcpu=403: %{!Dppc*: %{!Dmpc*: -Dppc403} } } \
44 %{mcpu=505: %{!Dppc*: %{!Dmpc*: -Dmpc505} } } \ 245 %{mcpu=505: %{!Dppc*: %{!Dmpc*: -Dmpc505} } } \
45 %{mcpu=601: %{!Dppc*: %{!Dmpc*: -Dppc601} } } \ 246 %{mcpu=601: %{!Dppc*: %{!Dmpc*: -Dppc601} } } \
46 %{mcpu=602: %{!Dppc*: %{!Dmpc*: -Dppc602} } } \ 247 %{mcpu=602: %{!Dppc*: %{!Dmpc*: -Dppc602} } } \
47 %{mcpu=603: %{!Dppc*: %{!Dmpc*: -Dppc603} } } \ 248 %{mcpu=603: %{!Dppc*: %{!Dmpc*: -Dppc603} } } \
48 %{mcpu=603e: %{!Dppc*: %{!Dmpc*: -Dppc603e} } } \ 249 %{mcpu=603e: %{!Dppc*: %{!Dmpc*: -Dppc603e} } } \
49 %{mcpu=604: %{!Dppc*: %{!Dmpc*: -Dmpc604} } } \ 250 %{mcpu=604: %{!Dppc*: %{!Dmpc*: -Dmpc604} } } \
50 %{mcpu=750: %{!Dppc*: %{!Dmpc*: -Dmpc750} } } \ 251 %{mcpu=750: %{!Dppc*: %{!Dmpc*: -Dmpc750} } } \
51 %{mcpu=821: %{!Dppc*: %{!Dmpc*: -Dmpc821} } } \ 252 %{mcpu=821: %{!Dppc*: %{!Dmpc*: -Dmpc821} } } \
52 %{mcpu=860: %{!Dppc*: %{!Dmpc*: -Dmpc860} } }" 253 %{mcpu=860: %{!Dppc*: %{!Dmpc*: -Dmpc860} } } \
254 %{mcpu=8540: %{!Dppc*: %{!Dmpc*: -Dppc8540} } } \
255 %{mcpu=e6500: -D__PPC_CPU_E6500__}"
256
257 #undef ASM_DEFAULT_SPEC
258 #define ASM_DEFAULT_SPEC "-mppc%{m64:64}"
259
260 #undef ASM_SPEC
261 #define ASM_SPEC "%{!m64:%(asm_spec32)}%{m64:%(asm_spec64)} %(asm_spec_common)"
262
263 #define ASM_SPEC32 "-a32 \
264 %{mrelocatable} %{mrelocatable-lib} %{" FPIE_OR_FPIC_SPEC ":-K PIC} \
265 %{memb|msdata=eabi: -memb}"
266
267 #define ASM_SPEC64 "-a64"
268
269 #define ASM_SPEC_COMMON "%(asm_cpu) \
270 %{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}}" \
271 ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)
272
273 #undef LINK_OS_DEFAULT_SPEC
274 #define LINK_OS_DEFAULT_SPEC \
275 "%{!m64:%(link_os_spec32)}%{m64:%(link_os_spec64)}"
276
277 #define LINK_OS_SPEC32 ENDIAN_SELECT(" -m elf32ppc", \
278 " -m elf32lppc", \
279 " -m elf32ppc")
280 #define LINK_OS_SPEC64 ENDIAN_SELECT(" -m elf64ppc", \
281 " -m elf64lppc", \
282 " -m elf64ppc")
53 283
54 #undef SUBSUBTARGET_EXTRA_SPECS 284 #undef SUBSUBTARGET_EXTRA_SPECS
55 #define SUBSUBTARGET_EXTRA_SPECS \ 285 #define SUBSUBTARGET_EXTRA_SPECS \
56 { "cpp_os_rtems", CPP_OS_RTEMS_SPEC } 286 { "asm_spec_common", ASM_SPEC_COMMON }, \
287 { "asm_spec32", ASM_SPEC32 }, \
288 { "asm_spec64", ASM_SPEC64 }, \
289 { "link_os_spec32", LINK_OS_SPEC32 }, \
290 { "link_os_spec64", LINK_OS_SPEC64 },